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A198578
Decimal expansion of x>0 satisfying 2*x^2-4x=3*sin(x).
2
2, 4, 1, 3, 5, 4, 7, 7, 4, 2, 1, 1, 6, 9, 0, 9, 7, 6, 6, 0, 1, 4, 3, 0, 9, 2, 8, 4, 2, 1, 1, 6, 2, 3, 7, 3, 0, 0, 2, 6, 0, 3, 6, 5, 3, 7, 8, 7, 8, 5, 0, 7, 7, 7, 0, 3, 8, 2, 8, 3, 1, 1, 0, 5, 7, 6, 4, 0, 2, 8, 1, 5, 4, 2, 1, 7, 3, 2, 7, 1, 3, 9, 4, 3, 6, 4, 0, 2, 3, 3, 4, 1, 9, 6, 9, 5, 0, 5, 2
OFFSET
1,1
COMMENTS
See A198414 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=2.41354774211690976601430928421162373002603...
MATHEMATICA
a = 2; b = -4; c = 3;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 2.5}]
r = x /. FindRoot[f[x] == g[x], {x, 2.4, 2.5}, WorkingPrecision -> 110]
RealDigits[r] (* A198578 *)
CROSSREFS
Cf. A198414.
Sequence in context: A211197 A258246 A258240 * A173658 A277618 A358054
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 27 2011
STATUS
approved